166 entries under attentive topic. ×

1
defensive(adjective, alert, careful, protective)
1
anxious(adjective, strong, kind, keen, friendly)
1
au courant(expression, adjective, understanding, cool, sensible)
1
be up on(careful, knowledgeable, cautious, aware)
1
complaisant(compliant, submissive, docile, deferential)
1
comprehending(adjective, sympathetic, alert, witting)
1
controllable(compliant, submissive, docile, deferential)
1
deducing(adjective, alert, watchful, sharp-eyed)
1
detecting(adjective, alert, watchful, sharp-eyed)
1
docile(adjective, compliant, submissive, deferential)
1
docious(compliant, submissive, docile, deferential)
1
enraptured
1
entranced
1
fast on the draw(expression, idiom, sharp, bright, lively)
1
glued(adjective, alert, careful, caring, thoughtful)
1
good hands(expression, sharp, bright, lively, wise)
1
heads up(expression, sharp, bright, lively, alert)
1
honoring(compliant, submissive, docile, deferential)
1
hooked(adjective, alert, careful, caring, thoughtful)
1
in the know(expression, adjective, idiom, cool, sensible)
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APASmart Define. (2016). observant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/observant/thesaurus/synonyms
ChicagoSmart Define. 2016. "observant thesaurus" https://smartdefine.org/observant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, observant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/observant/thesaurus/synonyms>.
MLASmart Define. "observant thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/observant/thesaurus/synonyms>